+ 1.Update your completion chart. 2.Shade in your most recent grade on your tracker. 3.Work on the Neuron Activation 1.Draw a Lewis Dot Diagram for an.

Slides:

Advertisements

Similar presentations

IV. Isotopes 2 or more atoms of the same element having the same number of protons BUT different numbers of neutrons.

Advertisements

Nuclear Physics. Outcomes What is the difference between alpha, beta and gamma radiation? What are the rules for writing equations of nuclear reactions?

George M. McKelvy, Ph.D.1 Chapter 4 The Structure of the Atom.

Unstable Nuclei and Radioactive Decay Objectives: 9.0 Distinguish between chemical and nuclear reactions. 9.3 Identifying types of radiation and their.

Section 4.4 Unstable Nuclei and Radioactive Decay

Mini Quiz- Half Sheet H = 1.01 g/mol, O = g/mol S = g/mol, N = g/mol, I = g/mol 1.How many grams in 3.4 x molecules of H.

Transmutation (Objective 25

Nuclear Chemistry.

Atomic Symbols and Isotopes

Atomic Theory, Isotopes and Radioactive Decay

What element has 65 protons?

Warm Up 2/3/2014  What is nuclear radiation?  Unit Test Thursday.

Section 4: Unstable Nuclei and Radioactive Decay

Average Atomic Mass Unstable nuclei and Radioactive Decay.

Radioactive Decay Radioactive Decay. Radioactive Decay: Some unstable atoms try to regain stability by losing energy. They lose energy by emitting radiation.

Radioactive Decay Calculations

Lesson 2: It’s Greek to Me

Modern Physics Radioactive Decay. Look at the periodic table given to you. Find element with the atomic number 6 What is it?

Chapter 18.  Mass # Symbol  Element Name or symbol – Mass #  Parts of a Reaction Reactants  Products.

Nuclear Decay Come together, fall apart. Before we Begin….. What is Half-Life? What is the difference between fission and fusion?

Nuclear Physics and Radioactivity

Chemical Reactions Involves the change of one or more substances into new substances Atoms are rearranged but their identities do NOT change The reaction.

The Atom/Nuclear Study Guide Review. Complete the following table: Subatomic Particle LocationChargeRelative Mass Protonnucleus+ 1 amu Electronoutside.

Nuclear Chemistry Chemistry Ms.Piela.

Alpha Decay. Radioactive Decay Alpha Decay Radioactive Decay Alpha Decay Beta Decay.

NUCLEAR CHEMISTRY QUIZ.

Ch. 24--Nuclear Chemistry “It’s all about the nucleus!”

Chemistry Chapter 4 Notes #3 (Sec 4). Unstable Nuclei Nuclear Reactions Nuclear Reactions –Rxns that involve a change in the nucleus of an atom (most.

Chapter 9 Nuclear Radiation

Nuclear Radiation.

Radioactive Elements.

ICP 9/28/12 Half-life. Warmup Write a balanced nuclear equation for the alpha decay of Uranium-238.

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Protons, Neutrons, Electrons Experiments.

Chapter 3 Atomic Structure. The Structure Of the Atom Particle masschargelocation Proton1 AMU +1in nucleus Neutron 1 AMU 0in nucleus Electron 0 AMU -1.

Chapter 15 Nuclear Radiation

7.1 Nuclear Reactions What are atoms made of? Which particles are found in the nucleus? What are the three types of ionising radiation? What are the three.

Radioactive Decay Series Worksheet Init 5/11/2012 by Daniel R. Barnes based on a years-old worksheet U  mass number = # of protons + # of neutrons.

Nuclear Radiation 9.2. The Nucleus Protons and neutrons Charge of electrons and protons – x C = e –Proton +e –Electron -e.

 Test on Friday – Make sure you are studying!!  If you got below an 85 on your test, you can come to my Knight Time… Talk to me if you are interested.

Radioactive Decay.

NH 4. Ammonium +1 NH 4 PO 4 Phosphate -3 PO 4 NO 3.

Nuclear Equations.

TOPIC: RadioactivityTOPIC: Radioactivity & Natural Transmuations Do Now: Where on your reference table can you find radioactive particles?

General, Organic, and Biological Chemistry Fourth Edition Karen Timberlake 4.2 Nuclear Reactions Chapter 4 Nuclear Chemistry © 2013 Pearson Education,

PS-2.2 Illustrate the fact that the atoms of elements exist as stable or unstable isotopes.

Catalyst 1.What’s the difference between fission and fusion reactions? 2.How much energy would be produced if this mass was converted to energy if you.

Types of Radioactive Decay Kinetics of Decay Nuclear Transmutations

HomeworkHomework Read section 4.4 Answer questions 26 & 27 on page 107.

Nuclear Decay. Radioactivity The emission of high-energy radiation or particles from the nucleus of a radioactive atom.

ICP 9/25/12 Nuclear Decay Equations. Warmup 1)What composes an alpha particle? 2)What composes a beta particle? 3)What is gamma radiation?

What does  mean? Tuesday, October 27 th, The Nuclear Equation A nuclear equation (chemical equation) is the symbolic representation of a reaction.

Nuclear Symbols Element symbol Mass number (p + + n o ) Atomic number (number of p + )

Nuclear Reactions 1.To investigate the composition of gold foil using alpha particles (i.e. to explain the model of an atom).

Atomic Structure - Bellwork What experiment did Rutherford perform that identified positively charged nucleii in an atom? What do we call Thomson’s atomic.

Science 9 Decay Problems #2 35 point total 1. State the number of protons & neutrons in the following: ProtonsNeutrons Fe C.

Hurricane. What is it? Nuclear Energy is the energy stored in holding the nucleus of an atom together. Protons naturally repel each other. Truckee.

 Reactions that affect the nucleus  Can change the identity of the element (if number of protons change)

Nuclear Chemistry. Review: Parts of the Atom Electron (-) Proton (+) Neutron.

Nuclear Chemistry. Radioactivity  Nuclear Reactions – reactions in which the nuclei of unstable isotopes (radioisotopes) gain stability by undergoing.

Monday, May 4 th m.socrative.com 9bff6d58 Intro to Nuclear Chemistry.

Day 8 Chapter 4 Section 4.

Ch. 24--Nuclear Chemistry

5.2 Nuclear Reactions In the nuclear equation for alpha decay, the mass number of the new nucleus decreases by 4 and its atomic number decreases.

25.2 Half-Life C. Half-life (t1/2): time required for one-half of the nuclei of a radioisotope to decay to products.

Unstable Nuclei and Radioactive Decay

Nuclear Chemistry Physical Science.

Bell Work: Radioactivity

The mass numbers on the left and right of the equations must be equal.

Warm-Up 9/30/14 Get a textbook.

Presentation transcript:

+ 1.Update your completion chart. 2.Shade in your most recent grade on your tracker. 3.Work on the Neuron Activation 1.Draw a Lewis Dot Diagram for an atom that has 8 electrons at its ground state.

+

+ The Breakdown of the Day Explore – Nuclear Particles Understand – How to write nuclear decay reactions Opportunity – Gain an understanding of why things are radioactive ?

+

+ The History of the Atom 1. Radioactivity: When materials _______________ _____________ they become radioactive.

+ The History of the Atom 2 Two main reasons why particles are radioactive: a. Some particles are naturally radioactive because of their _______________. ____________________ is the last element in the periodic table that has a stable, nonradioactive isotope. b. If the mass of an isotope is greater than the __________________________________.

+ CompositionMassChargePenetration CompositionMassChargePenetration CompositionMassChargePenetration

+

+ CompositionMassChargePenetration CompositionMassChargePenetration CompositionMassChargePenetration

+

+ CompositionMassChargePenetration CompositionMassChargePenetration CompositionMassChargePenetration

+

+ CompositionMassChargePenetration CompositionMassChargePenetration CompositionMassChargePenetration

+ Combinations and Decay 3. If you add two particles to form a product, then the particles are _____________. 4. If you take one particle and split it into two, then the particles are _______________.

+ 1) Write your initial atoms 2) Make sure the atomic numbers and atomic masses on one side of the equation equal the atomic numbers and masses of the other side of the equation. Finish the equation for the following reactions Nitrogen-14 combines with an alpha particle

+ 1) Write your initial atoms 2) Make sure the atomic numbers and atomic masses on one side of the equation equal the atomic numbers and masses of the other side of the equation. Finish the equation for the following reactions Fluorine-20 went through beta decay.

+ Guided Practice Hot Seat -3 problems -3 tries -best time wins

+ Problem 1 Fill in the information for an ALPHA PARTICLE CompositionMassChargePenetration

+ Problem 1 Fill in the information for an BETA PARTICLE CompositionMassChargePenetration

+ Problem 1 Fill in the information for an GAMMA PARTICLE CompositionMassChargePenetration

+ Problem 2 Write the following decaying reaction Nitrogen-15 went through BETA decay.

+ Problem 2 Write the following decaying reaction Bromine-83 went through ALPHA decay.

+ Problem 2 Write the following decaying reaction Chlorine-38 went through BETA decay.

+ Problem 3 Write the following combination reaction Uranium-92 combined with a BETA PARTICLE.

+ Problem 3 Write the following combination reaction Plutonium-244 combined with an ALPHA PARTICLE.

+ Problem 3 Write the following combination reaction Polonium-209 combined with an BETA PARTICLE.